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NU6M_POLOR
ID   NU6M_POLOR              Reviewed;         167 AA.
AC   Q95919;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   25-MAY-2022, entry version 73.
DE   RecName: Full=NADH-ubiquinone oxidoreductase chain 6;
DE            EC=7.1.1.2;
DE   AltName: Full=NADH dehydrogenase subunit 6;
GN   Name=MT-ND6; Synonyms=MTND6, NADH6, ND6;
OS   Polypterus ornatipinnis (Ornate bichir).
OG   Mitochondrion.
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Polypteriformes; Polypteridae; Polypterus.
OX   NCBI_TaxID=49895;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8913758; DOI=10.1093/genetics/144.3.1165;
RA   Noack K., Zardoya R., Meyer A.;
RT   "The complete mitochondrial DNA sequence of the bichir (Polypterus
RT   ornatipinnis), a basal ray-finned fish: ancient establishment of the
RT   consensus vertebrate gene order.";
RL   Genetics 144:1165-1180(1996).
CC   -!- FUNCTION: Core subunit of the mitochondrial membrane respiratory chain
CC       NADH dehydrogenase (Complex I) that is believed to belong to the
CC       minimal assembly required for catalysis. Complex I functions in the
CC       transfer of electrons from NADH to the respiratory chain. The immediate
CC       electron acceptor for the enzyme is believed to be ubiquinone (By
CC       similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ubiquinone + 5 H(+)(in) + NADH = a ubiquinol + 4 H(+)(out) +
CC         NAD(+); Xref=Rhea:RHEA:29091, Rhea:RHEA-COMP:9565, Rhea:RHEA-
CC         COMP:9566, ChEBI:CHEBI:15378, ChEBI:CHEBI:16389, ChEBI:CHEBI:17976,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=7.1.1.2;
CC   -!- SUBCELLULAR LOCATION: Mitochondrion membrane {ECO:0000305}; Multi-pass
CC       membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 6 family. {ECO:0000305}.
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DR   EMBL; U62532; AAC60316.1; -; Genomic_DNA.
DR   PIR; T11465; T11465.
DR   RefSeq; NP_008327.1; NC_001778.1.
DR   AlphaFoldDB; Q95919; -.
DR   SMR; Q95919; -.
DR   GeneID; 808028; -.
DR   CTD; 4541; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0031966; C:mitochondrial membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
DR   GO; GO:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:UniProtKB-EC.
DR   Gene3D; 1.20.120.1200; -; 1.
DR   InterPro; IPR001457; NADH_UbQ/plastoQ_OxRdtase_su6.
DR   InterPro; IPR042106; Nuo/plastoQ_OxRdtase_6_NuoJ.
DR   Pfam; PF00499; Oxidored_q3; 1.
PE   3: Inferred from homology;
KW   Electron transport; Membrane; Mitochondrion; NAD; Respiratory chain;
KW   Translocase; Transmembrane; Transmembrane helix; Transport; Ubiquinone.
FT   CHAIN           1..167
FT                   /note="NADH-ubiquinone oxidoreductase chain 6"
FT                   /id="PRO_0000118318"
FT   TRANSMEM        1..21
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        23..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        47..67
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        86..106
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        133..153
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   167 AA;  18386 MW;  AC5C247C3BCF95A1 CRC64;
     MVLMVVFSVM FLISLIAVAS NPSPYFAAFG LMVGAGVGCG MLMQCGMTFL SMILFLIYLG
     GMLVVFAYSP ALAAEPYPNA WGSWEVFSYV LVYMFLVIVA WVAFVGDMEL FDDVEEYFGA
     MRRYVGVAEV YNAGGYMLFI AGWVLLMALL VVLELTRGYS RGCLRAV
 
 
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